Home / 111,550,089.33-153,776,880.53-77,955,265.67

Finding the Fourth Proportional to 111,550,089.33, 153,776,880.53 and 77,955,265.67

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Solution

The fourth proportional to 111,550,089.33, 153,776,880.53 and 77,955,265.67 is: 107,464,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,550,089.33 : 153,776,880.53 = 77,955,265.67 : x
  2. Step 2: Convert to fraction form
    111,550,089.33/153,776,880.53 = 77,955,265.67/x
  3. Step 3: Cross multiply
    111,550,089.33x = 153,776,880.53 × 77,955,265.67
  4. Step 4: Simplify right side
    111,550,089.33x = 11,987,717,574,461,342
  5. Step 5: Solve for x
    x = 11,987,717,574,461,342/111,550,089.33
  6. Step 6: Final answer
    x = 107,464,885.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.